BURNS, E. M. (1949). The American social security system. Houghton Mifflin Company.
Chicagoスタイル(17版)引用形式BURNS, Eveline M. The American Social Security System. Boston: Houghton Mifflin Company, 1949.
MLA(9版)引用形式BURNS, Eveline M. The American Social Security System. Houghton Mifflin Company, 1949.
警告: この引用は必ずしも正確ではありません.